1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)dr_5.c 8.1 (Berkeley) 5/31/93 34 * $FreeBSD: src/games/sail/dr_5.c,v 1.4 1999/11/30 03:49:33 billf Exp $ 35 * $DragonFly: src/games/sail/dr_5.c,v 1.3 2006/09/03 17:33:13 pavalos Exp $ 36 */ 37 38 #include "externs.h" 39 40 void 41 subtract(struct ship *from, int totalfrom, int crewfrom[3], struct ship *fromcap, int pcfrom) 42 { 43 int n; 44 45 if (fromcap == from && totalfrom) { /* if not captured */ 46 for (n = 0; n < 3; n++) { 47 if (totalfrom > crewfrom[n]) { 48 totalfrom -= crewfrom[n]; 49 crewfrom[n] = 0; 50 } else { 51 crewfrom[n] -= totalfrom; 52 totalfrom = 0; 53 } 54 } 55 Write(W_CREW, from, crewfrom[0], crewfrom[1], crewfrom[2], 0); 56 } else if (totalfrom) { 57 pcfrom -= totalfrom; 58 pcfrom = pcfrom < 0 ? 0 : pcfrom; 59 Write(W_PCREW, from, pcfrom, 0, 0, 0); 60 } 61 } 62 63 int 64 mensent(struct ship *from, struct ship *to, int crew[3], struct ship **captured, int *pc, char isdefense) 65 { /* returns # of crew squares sent */ 66 int men = 0; 67 int n; 68 int c1, c2, c3; 69 struct BP *bp; 70 71 *pc = from->file->pcrew; 72 *captured = from->file->captured; 73 crew[0] = from->specs->crew1; 74 crew[1] = from->specs->crew2; 75 crew[2] = from->specs->crew3; 76 bp = isdefense ? from->file->DBP : from->file->OBP; 77 for (n=0; n < NBP; n++, bp++) { 78 if (bp->turnsent && bp->toship == to) 79 men += bp->mensent; 80 } 81 if (men) { 82 c1 = men/100 ? crew[0] : 0; 83 c2 = (men%100)/10 ? crew[1] : 0; 84 c3 = men/10 ? crew[2] : 0; 85 c3 = *captured == 0 ? crew[2] : *pc; 86 } else 87 c1 = c2 = c3 = 0; 88 return(c1 + c2 + c3); 89 } 90